52438530 has 16 divisors (see below), whose sum is σ = 125852544. Its totient is φ = 13983600.

The previous prime is 52438513. The next prime is 52438559. The reversal of 52438530 is 3583425.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1747951 = 52438530 / (5 + 2 + 4 + 3 + 8 + 5 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873946 + ... + 874005.

It is an arithmetic number, because the mean of its divisors is an integer number (7865784).

Almost surely, 2^52438530 is an apocalyptic number.

52438530 is an abundant number, since it is smaller than the sum of its proper divisors (73414014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52438530 is a wasteful number, since it uses less digits than its factorization.

52438530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747961.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 52438530 is about 7241.4452977289. The cubic root of 52438530 is about 374.2974222920.

The spelling of 52438530 in words is "fifty-two million, four hundred thirty-eight thousand, five hundred thirty".